JO 10.5, Volcanopelagic succession, Josephine ophiolite (Jurassic of the United States)

Where: California (41.9° N, 123.8° W: paleocoordinates 34.2° N, 65.2° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Volcanopelagic Succession Member (Josephine Formation), Early/Lower Bathonian (167.7 - 164.7 Ma)

• Zone 2 delta. Age re-assigned based on Baumgartner et al. (1995).

•Informal Formation name. Stated as Volcanic member, Josephine Ophiolite

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified lime mudstone and lithified chert

• Smith River Subterrane
• Lenticular mass of medium gray, micritic pelagic limestones interbedded with datk gray tuffaceous chert and mudstone

Size class: microfossils

Preservation: original silica

Collection methods: chemical, hydrochloric,

Primary reference: E. A. Pessagno, Jr., C. D. Blome, D. M. Hull and W. M. Six. 1993. Jurassic radiolaria from the Josephine ophiolite and overlying strata, Smith River subterrane (Klamath Mountains), northwestern California and southwestern Oreg. Micropaleontology 39:93-166 [W. Kiessling/W. Kiessling/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51646: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Actinommacea - Xiphostylidae
Tripocyclia saleebyi, Tripocyclia sp., Xiphostylus humboldtensis, Xiphostylus sp., Xiphostylus gasquetensis
Tripocyclia sp. Haeckel 1881 radiolarian
Xiphostylus sp. Haeckel 1881 radiolarian
Xiphostylus gasquetensis Pessagno et al. 1989 radiolarian
 Nassellaria - Eucyrtidiellidae
Eucyrtidiellum sp., "Eucyrtidiellum aff. pustulatum" = Eucyrtidiellum unumaense
Eucyrtidiellum sp. Baumgartner 1984 radiolarian
"Eucyrtidiellum aff. pustulatum" = Eucyrtidiellum unumaense Yao 1979 radiolarian
 Nassellaria - Hsuidae
Semihsuum sp., Hsuum sp.
Semihsuum sp. Pessagno et al. 1993 radiolarian
Hsuum sp. Pessagno 1977 radiolarian
 Nassellaria - Parvicingulidae
Mirifusus sp., Mirifusus fragilis, Mirifusus guadalupensis, Ristola sp., "Praecaneta sp." = Praeparvicingula
Mirifusus sp. Pessagno 1977 radiolarian
Mirifusus fragilis Baumgartner 1984 radiolarian
Mirifusus guadalupensis Pessagno 1977 radiolarian
Ristola sp. Pessagno and Whalen 1982 radiolarian
"Praecaneta sp." = Praeparvicingula Pessagno et al. 1993 radiolarian
 Nassellaria - Syringocapsidae
Podobursa sp.
Podobursa sp. Wisniowski 1889 radiolarian
 Nassellaria - Ultranaporidae
Napora sp.
Napora sp. Pessagno 1977 radiolarian
 Nassellaria - Tripedurnulidae
Turanta chetcoensis
 Entactinaria - Saturnalidae
Acanthocircus sp., Acanthocircus suboblongus
Acanthocircus sp. Squinabol 1903 radiolarian
Acanthocircus suboblongus Yao 1972 radiolarian
 Entactinaria - Eptingiidae
Perispyridium sp., Perispyridium gujohachimanense
Perispyridium sp. Dumitrica 1978 radiolarian
Perispyridium gujohachimanense Takemura 1986 radiolarian
 Spumellaria - Emiluviidae
Emiluvia dollarbendensis, Emiluvia sp., Emiluvia hopsoni
Emiluvia sp. Foreman 1973 radiolarian
Emiluvia hopsoni Pessagno 1977 radiolarian
 Spumellaria - Pantanelliidae
Pantanellium darlingtonense, Pantanellium sp., Pantanellium josephinense, Gorgansium sp.
Pantanellium sp. Pessagno 1977 radiolarian
Pantanellium josephinense Pessagno et al. 1993 radiolarian
Gorgansium sp. Pessagno and Blome 1980 radiolarian
 Spumellaria - Tritrabidae
Tritrabs sp., Tritrabs ewingi
Tritrabs sp. Baumgartner 1980 radiolarian
Tritrabs ewingi Pessagno 1977 radiolarian
 Spumellaria - Praeconocaryommidae
Praeconocaryomma immodica
 Spumellaria - Parvivaccidae
Lanubus sp.
Lanubus sp. Pessagno and Yang 1989 radiolarian
 Spumellaria - Hagiastridae
Higumastra imbricata, "Saldorfus coldspringensis" = Tetraditryma coldspringensis
Higumastra imbricata Ozvoldova 1979 radiolarian
"Saldorfus coldspringensis" = Tetraditryma coldspringensis Pessagno et al. 1993 radiolarian